— trees, to destroy worms attacking, xxvii, 197.

— —, propagation of, xxvi, 183.

— —, time of flowering and other memoranda for different seasons, at Marietta, Ohio, see [Floral Calendar] and Meteorological Register.

Fucoids and other marine plants, Ad. Brongniart, ix, 375.

— in Indiana, J. T. Plummer, xliv, 290.f

— in rocks of western N. York, xxxvi, 46.

— in Pennsylvania, xx, 415; xxvii, 347.

Fucoides Harlani, xxxvi, 46; xlviii, 299.f

— bilobata, xlviii, 307.f

— demissa, xlvii, 360.f